Articles tagged with Lepidoptera
Parasitic butterfly larvae may use acoustic signals to infiltrate ant colonies, according to a study published in PLOS ONE. The larvae's sound patterns were found to be more similar to those of the queen ant than worker ants, suggesting a potential strategy for infiltration and exploitation.
A study found that two days of larval food restriction can reduce adult monarch butterfly wing size by approximately 2% and affect wing pigmentation. Limited access to milkweed stunts monarch wings, which could impact migration success.
A single gene, doublesex, regulates complex wing patterns and structures required for mimicry in swallowtail butterflies. This study reveals that the gene's known role in sexual differentiation has been co-opted to control wing pattern.
Scientists have discovered two new butterfly species in the eastern United States, one of which is a close relative of the well-known Carolina Satyr. The study reveals distinct differences in genitalia and DNA sequences between the two species, highlighting the complex genetic diversity of these butterflies.
The CLIMBER dataset provides unique information on the climatic niche characteristics of 397 European butterflies, obtained by combining detailed distribution data and public climatic datasets. This knowledge is essential for understanding species' relationships with their environment and assessing the impacts of global change.
The study reveals that the internal bacterial diversity of the red postman butterfly is halved during pupal stage and doubles after emergence as an adult. This discovery highlights the importance of the microbiome in insect health and behavior, with potential implications for pest control and understanding the evolution of unique traits.
In Switzerland, plants have shifted uphill by 8 meters, butterflies by 38 meters, and birds by 42 meters between 2003 and 2010. Climate warming is causing species to adapt at a surprising pace.
A new study finds that butterflies can expand their ranges in northern England and Scotland as the climate warms. However, this expansion is only possible for species with stable or increasing population trends, highlighting the importance of conservation efforts to boost abundances within current ranges.
Recent climate change affects physiological traits in caterpillars, enabling them to feed rapidly at a broader range of temperatures. Modern caterpillars can gain up to 20% body weight in an hour when temperatures are ideal, outperforming their ancestors.
A study by researchers from the University of British Columbia found that butterflies' flight seasons are responsive to temperature increases, with average timing advancing 2.4 days per degree Celsius. This shift could have significant implications for butterfly populations and ecosystems.
Historical and current surveys in southern Sweden reveal significant butterfly population declines due to changes in farming practices and land use. The study recommends 12 management measures, including later grazing and careful grazier selection, to mitigate these effects and support butterfly recovery.
Researchers analyzed butterfly genome sequences, finding initial divergence is restricted to small fraction of genome, with key genes involved in wing patterning. Close comparison of closely related species showed rapid genomic changes occurred in evolutionary time after early differences took hold.
A recent study suggests that Americans would support monarch butterfly conservation by paying up to $6.5 billion if extrapolated to all U.S. households. This universal popularity of monarchs could encourage a market for monarch-friendly plants.
Researchers from five institutions will investigate biological mechanisms driving biodiversity in American Limenitidini butterflies. The project aims to reveal if diversification can be explained by biotic interactions, accelerating adaptation and species evolution.
Researchers have discovered the unique properties of Morpho butterfly wings that can be used to develop innovative technologies. The study found that the physical structure and surface chemistry of the wings provide surprising properties for applications such as photonic security tags, sensors and self-cleaning surfaces.
A team of astronomers found that butterfly-shaped planetary nebulae are mysteriously aligned in the sky, with their long axes aligned along the plane of our galaxy. This surprising result hints at a more mysterious factor influencing the formation of these objects, possibly due to strong magnetic fields as the bulge formed.
The VDI guidelines provide a state-of-the-art approach to GMO monitoring of Lepidoptera. The study aims to increase detection success and inform the European Community's requirements.
European grassland butterflies have declined dramatically between 1990 and 2011, mainly due to agricultural intensification and habitat loss. This trend is alarming as butterflies are indicators of ecosystem health and biodiversity.
Researchers have deciphered the color-creating mechanisms in butterfly wings, revealing subtle differences in crystal parameters that result in stunningly varied patterns of color. These findings could inspire new hue-changing materials with designer properties.
Researchers at UC Irvine have identified a set of genes in female Heliconius butterflies that allow them to detect toxic chemicals and choose healthy host plants. This unique behavior is vital for the survival of the species, as it ensures their larvae receive the necessary nutrients to thrive.
A new species of moth, Stenoloba solaris, has been described from China with a striking orange circular patch on its wings resembling the rising sun. The moth belongs to the Noctuidae family and is part of a group known for their economic importance in agriculture.
A recent study by the University of Exeter found that localized temperature fluctuations have a significant impact on silver-spotted skipper populations. The research suggests that saving habitats with diverse microclimates is crucial for conserving this species under changing climate conditions.
A new butterfly species from Texas has been discovered with distinctive olive-green eyes, sparking excitement among scientists. The Vicroy's Ministreak may be the last truly unique butterfly species to be discovered in the United States.
Researchers have directly observed Hofstadter's Butterfly, a complex pattern of energy states resembling a butterfly, in graphene. The phenomenon confirms decades-long theoretical predictions and may lead to the discovery of new electrical properties.
A team of researchers has observed a rare quantum physics effect that produces a repeating butterfly-shaped energy spectrum in a magnetic field, confirming the prediction of the quantum fractal energy structure called Hofstadter's butterfly. The discovery paves the way for engineering new types of nanoscale materials.
Research teams at MagLab break through nearly 40-year barrier, observing a never-before-seen energy pattern in boron nitride and graphene materials. This breakthrough opens a new experimental direction in condensed matter physics and high magnetic field research.
The discovery reveals a fundamental interest in understanding the electronic properties of graphene and its potential applications. The researchers have created multiple clones of Dirac fermions, mimicking massless relativistic particles, and produced an intricate pattern known as the Hofstadter butterfly.
Researchers confirm Hofstadter butterfly, a rare quantum effect producing a repeating butterfly-shaped energy spectrum, in moiré-patterned graphene. This discovery provides the first direct experimental proof of this fractal pattern, which was predicted by American physicist Douglas Hofstadter in 1976.
Two new species of Ypsolophid moths have been discovered in the Russian Far East by Russian scientists. The discovery adds to the existing 30 known species of Ypsolophids worldwide, highlighting their thermophilic nature and increasing global biodiversity awareness.
A team of scientists found that monarch butterflies use external cues like the sun and magnetic field as a built-in compass, but not an internal map. They funnelled towards their destination using major geographic landmarks.
Two Canadian scientists, Dr. Yves Bousquet and Dr. Patrice Bouchard, have updated the nomenclatural and taxonomic data in Pierre Dejean's Coleoptera catalogs. The review of the second (1833) and third (1836) catalogues revealed new synonymies and clarified the usage of genus-group names.
A mathematical model of a butterfly's flight revealed that the insect uses swirling vortices to provide lift, but also experiences turbulent airflow. The study found that the pitching angle of the thorax is crucial for controlled periodic flight, allowing butterflies to sense and adjust their motion to maintain stability.
A UF study found that a false head pattern on hairstreak butterflies is 100% effective against jumping spider attacks. The appearance of the pattern was thought to deter birds from attacking the butterflies, but the research suggests that small arthropods may influence butterfly evolution.
Researchers found that monarch butterflies would continue to fly south if it weren't for the cold weather. The study's findings suggest that global climate change could impact the monarchs' migrations. Understanding this process can help protect the iconic migration.
Research reveals that cold temperatures trigger the return of monarch butterflies to their northern habitats, highlighting vulnerability to climate change. The study suggests that the monarch migration cycle is reliant on a specific thermal stimulus, which is critical for completion of the migration cycle.
The North American Oak Skeletonizer has invaded Europe on planted Northern Red Oaks since 1989. The moth's arrival is attributed to air transport of cocoons from NATO aircraft, leading to the discovery of this previously unknown species in Europe.
A new study found that UK butterfly populations' sensitivity to extreme drought is affected by habitat type area and degree of fragmentation. Larger, more connected patches of woodland habitat reduced population sensitivity and facilitated faster recovery.
A study by Harvard University researchers found that Massachusetts butterfly populations are moving north as the climate warms, with subtropical species such as the giant swallowtail and zabulon skipper increasing in abundance. In contrast, more than three quarters of northerly species are declining, particularly those that overwinter ...
Research published in PLOS ONE found that monarch butterflies with darker orange wings flew significantly longer distances than those with lighter wings. The study suggests an association between pigment level and flight distance, paving the way for further research into butterfly wing color.
A Yale University study found that female butterflies learn to favor males with four spots on their wings, a novel mechanism for evolving morphological diversity. The researchers discovered that females can change their mating preferences after short exposure to different wing patterns.
Researchers studied butterfly life cycles in central Spain's mountain range to understand climate change impacts. Some species that emerge later or fly higher may struggle, while others with longer reproductive windows are more resilient.
An Emory University analysis suggests environmental factors trigger the monarchs' choice of winter homes, rather than genetic differences. The researchers found extensive gene flow between eastern and western monarchs, challenging the prevailing theory of distinct populations.
A new study found that warmer summers have allowed the Brown Argus butterfly to shift its diet to wild Geranium plants, enabling it to expand its range in Britain at a rapid rate. Over 20 years, the butterfly has spread northwards by 79km, becoming common in southern England.
Researchers discovered that colorful butterflies share traits to enhance their survival, including a rich repertoire of genes for olfaction and chemosensation. This cross-breeding allows them to acquire superior wing colors more quickly than evolving from scratch.
Scientists sequenced the Heliconius butterfly genome to understand wing pattern diversity, finding that different species copy each other's patterns by exchanging genes. This process allows hybrids to gain useful genes for adapting to changing conditions and survive.
Researchers from the Heliconius Genome Consortium sequenced the Postman butterfly's genome and found promiscuous sharing of large DNA regions among closely-related species. This study reveals how hybrids can introduce new genes that help populations adapt, changing our understanding of adaptation in evolution.
A new study published in Psyche reveals that different butterfly species exhibit unique foraging behaviors, and the findings may be used to develop effective synthetic lures for understanding pollinators. Researchers used multi-colored landing pads and baits to determine that some butterflies rely on both sight and smell to locate food.
A recent study found that mild winters can be detrimental to certain butterfly species due to their higher metabolic rates and limited ability to conserve energy. However, some caterpillars adapted to warmer winters showed improved resilience by lowering their metabolic sensitivity.
European butterflies are under threat, with 10% facing extinction, due to habitat loss and poor management. A new publication provides practical guidelines for managing habitats in a sustainable way, supporting biodiversity and human survival.
A new report provides crucial information on how to conserve European butterfly species listed on the EU Habitats Directive. The guidelines include detailed accounts of each species' habitat requirements and food-plants, as well as dos and don'ts in managing their habitats.
Researchers found that butterfly wings' 'art of blackness' can boost the production of green fuels by doubling the hydrogen gas produced from water and sunlight. The team created computer models to confirm this filtering effect, which allows shorter wavelengths of light to reach a membrane below the scales.
Research from University of Guelph uncovers how monarch butterflies recolonize northern breeding grounds in spring, with 10% coming directly from Mexico and most born in central US. This knowledge aids conservation by identifying highly productive regions that fuel the migration further north.
Early snowmelt in the Colorado Rocky Mountains decreases flower numbers and nectar availability, leading to a decline in the Mormon Fritillary butterfly population. The study found that early snowmelt in consecutive years explained most of the variation in population growth rate.
A study published in Ecology Letters found that early snow melt in the Colorado Rocky Mountains leads to lower flower availability, negatively affecting the growth rate of the Mormon Fritillary butterfly. Reduced flower availability per butterfly explained most of the observed variation in population growth rate.
Researchers presented at the Drosophila conference explored metabolic disorders, aging and monarch butterfly migration using the fruit fly as a model organism. Studies found connections between fly and human disease, revealing new insights into diabetes, aging and the mechanisms behind monarch migration.
A recent study found that three commonly used herbicides can dramatically reduce butterfly populations. Researchers tested triclopyr, sethoxydim and imazapyr on butterfly larvae and found a significant drop in adult numbers. The findings have implications for conservation efforts to protect endangered species like the Lange's metalmark.
Engineers at Johns Hopkins University are using high-speed video cameras to study butterfly flight and develop more agile micro aerial vehicles (MAVs) for reconnaissance and search-and-rescue missions. Their research reveals that changes in spatial distribution of mass associated with wing flapping play a crucial role in insect flight,...
Researchers found that caterpillars in Neotropical regions mimic the warning coloration of toxic species for protection. The study reveals that mimicry is a common survival tactic among caterpillars, with some species forming Müllerian mimicry rings to avoid predators.
A study on butterfly dispersal reveals its complex relationships with life history traits, leading to important insights for evolutionary dynamics under global environmental changes. The findings highlight the importance of considering species-specific abilities and ecological specialization in conservation efforts.
The monarch butterfly's genome has been fully sequenced, offering insights into its long-distance migration. The study reveals genes responsible for vision, circadian clocks, and juvenile hormone synthesis, essential for extended lifespan and navigation.